/*
 * Copyright (c) 2021, MegaEase
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.megaease.easeagent.plugin.processor;

import javax.lang.model.element.Element;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.SimpleElementVisitor8;

public class ElementVisitor8 extends SimpleElementVisitor8<TypeElement, TypeElement> {
    private final BeanUtils utils;
    public ElementVisitor8(BeanUtils utils) {
        this.utils = utils;
    }
    @Override
    public TypeElement visitPackage(PackageElement packageElement, TypeElement p) {
        return null;
    }

    @Override
    public TypeElement visitType(TypeElement enclosingClass, TypeElement p) {
        if (utils.isAssignable(enclosingClass, p)) {
            return enclosingClass;
        }
        return null;
    }

    @Override
    public TypeElement visitUnknown(Element unknown, TypeElement p) {
        return null;
    }

    @Override
    public TypeElement defaultAction(Element enclosingElement, TypeElement p) {
        throw new IllegalArgumentException("Unexpected type nesting: " + p);
    }
}
